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<div class="title">qwt_spline_pleasing.cpp</div>  </div>
</div><!--header-->
<div class="contents">
<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/******************************************************************************</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> * Qwt Widget Library</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> * Copyright (C) 1997   Josef Wilgen</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> * Copyright (C) 2002   Uwe Rathmann</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> * This library is free software; you can redistribute it and/or</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> * modify it under the terms of the Qwt License, Version 1.0</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> *****************************************************************************/</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160; </div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="preprocessor">#include &quot;qwt_spline_pleasing.h&quot;</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="preprocessor">#include &quot;qwt_spline_parametrization.h&quot;</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160; </div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="preprocessor">#include &lt;qpainterpath.h&gt;</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160; </div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">double</span> qwtChordalLength( <span class="keyword">const</span> QPointF&amp; point1, <span class="keyword">const</span> QPointF&amp; point2 )</div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;{</div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">double</span> dx = point2.x() - point1.x();</div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">double</span> dy = point2.y() - point1.y();</div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160; </div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;    <span class="keywordflow">return</span> std::sqrt( dx * dx + dy * dy );</div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;}</div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160; </div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="keyword">template</span>&lt; <span class="keyword">class</span> Param &gt;</div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="keyword">static</span> QPointF qwtVector( Param param,</div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;    <span class="keyword">const</span> QPointF&amp; p1, <span class="keyword">const</span> QPointF&amp; p2 )</div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;{</div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;    <span class="keywordflow">return</span> ( p2 - p1 ) / param( p1, p2 );</div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;}</div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160; </div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="keyword">template</span>&lt; <span class="keyword">class</span> Param &gt;</div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="keyword">static</span> QPointF qwtVectorCardinal( Param param,</div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;    <span class="keyword">const</span> QPointF&amp; p1, <span class="keyword">const</span> QPointF&amp; p2, <span class="keyword">const</span> QPointF&amp; p3 )</div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;{</div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">double</span> t1 = param( p1, p2 );</div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">double</span> t2 = param( p2, p3 );</div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160; </div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;    <span class="keywordflow">return</span> t2 * ( p3 - p1 ) / ( t1 + t2 );</div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;}</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160; </div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;<span class="keyword">namespace </span>QwtSplinePleasingP</div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;{</div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;    <span class="keyword">struct </span>Tension</div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;    {</div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;        <span class="keywordtype">double</span> t1;</div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;        <span class="keywordtype">double</span> t2;</div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;    };</div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160; </div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;    <span class="keyword">struct </span>param</div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;    {</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;        param( <span class="keyword">const</span> <a class="code" href="class_qwt_spline_parametrization.html">QwtSplineParametrization</a>* p ):</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;            parameter( p )</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;        {</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;        }</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160; </div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">double</span> operator()( <span class="keyword">const</span> QPointF&amp; p1, <span class="keyword">const</span> QPointF&amp; p2 )<span class="keyword"> const</span></div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;<span class="keyword">        </span>{</div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;            <span class="keywordflow">return</span> parameter-&gt;valueIncrement( p1, p2 );</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;        }</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160; </div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;        <span class="keyword">const</span> <a class="code" href="class_qwt_spline_parametrization.html">QwtSplineParametrization</a>* parameter;</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;    };</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160; </div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;    <span class="keyword">struct </span>paramUniform</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;    {</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">double</span> operator()( <span class="keyword">const</span> QPointF&amp; p1, <span class="keyword">const</span> QPointF&amp; p2 )<span class="keyword"> const</span></div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;<span class="keyword">        </span>{</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;            <span class="keywordflow">return</span> <a class="code" href="class_qwt_spline_parametrization.html#a4ec70cdb3d4c1b53628ef516e93390ec">QwtSplineParametrization::valueIncrementUniform</a>( p1, p2 );</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;        }</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;    };</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160; </div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;    <span class="keyword">class </span>PathStore</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;    {</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;      <span class="keyword">public</span>:</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">void</span> init( <span class="keywordtype">int</span> )</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;        {</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;        }</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160; </div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">void</span> start( <span class="keyword">const</span> QPointF&amp; p0 )</div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;        {</div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;            path.moveTo( p0 );</div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;        }</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160; </div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">void</span> addCubic( <span class="keyword">const</span> QPointF&amp; cp1,</div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;            <span class="keyword">const</span> QPointF&amp; cp2, <span class="keyword">const</span> QPointF&amp; p2 )</div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;        {</div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;            path.cubicTo( cp1, cp2, p2 );</div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;        }</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160; </div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;        QPainterPath path;</div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;    };</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160; </div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;    <span class="keyword">class </span>ControlPointsStore</div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;    {</div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;      <span class="keyword">public</span>:</div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;        <span class="keyword">inline</span> ControlPointsStore():</div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;            m_cp( NULL )</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;        {</div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;        }</div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160; </div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">void</span> init( <span class="keywordtype">int</span> size )</div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;        {</div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;            controlPoints.resize( size );</div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;            m_cp = controlPoints.data();</div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;        }</div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160; </div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">void</span> start( <span class="keyword">const</span> QPointF&amp; )</div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;        {</div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;        }</div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160; </div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;        <span class="keyword">inline</span> <span class="keywordtype">void</span> addCubic( <span class="keyword">const</span> QPointF&amp; cp1,</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;            <span class="keyword">const</span> QPointF&amp; cp2, <span class="keyword">const</span> QPointF&amp; )</div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;        {</div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;            QLineF&amp; l = *m_cp++;</div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;            l.setPoints( cp1, cp2 );</div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;        }</div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160; </div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;        <a class="code" href="class_q_vector.html">QVector&lt; QLineF &gt;</a> controlPoints;</div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160; </div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;      <span class="keyword">private</span>:</div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;        QLineF* m_cp;</div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;    };</div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;}</div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160; </div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> QwtSplinePleasingP::Tension qwtTensionPleasing(</div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;    <span class="keywordtype">double</span> d13, <span class="keywordtype">double</span> d23, <span class="keywordtype">double</span> d24,</div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;    <span class="keyword">const</span> QPointF&amp; p1, <span class="keyword">const</span> QPointF&amp; p2,</div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;    <span class="keyword">const</span> QPointF&amp; p3, <span class="keyword">const</span> QPointF&amp; p4 )</div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;{</div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;    QwtSplinePleasingP::Tension tension;</div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160; </div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">bool</span> b1 = ( d13 / 3.0 ) &lt; d23;</div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">bool</span> b2 = ( d24 / 3.0 ) &lt; d23;</div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160; </div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;    <span class="keywordflow">if</span> ( b1 )</div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;    {</div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;        <span class="keywordflow">if</span> ( b2 )</div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;        {</div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;            tension.t1 = ( p1 != p2 ) ? ( 1.0 / 3.0 ) : ( 2.0 / 3.0 );</div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;            tension.t2 = ( p3 != p4 ) ? ( 1.0 / 3.0 ) : ( 2.0 / 3.0 );</div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;        }</div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;        <span class="keywordflow">else</span></div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;        {</div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;            tension.t1 = tension.t2 = d23 / d24;</div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;        }</div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;    }</div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;    <span class="keywordflow">else</span></div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;    {</div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;        <span class="keywordflow">if</span> ( b2 )</div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;        {</div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;            tension.t1 = tension.t2 = d23 / d13;</div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;        }</div>
<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;        <span class="keywordflow">else</span></div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;        {</div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;            tension.t1 = d23 / d13;</div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;            tension.t2 = d23 / d24;</div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;        }</div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;    }</div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160; </div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;    <span class="keywordflow">return</span> tension;</div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;}</div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160; </div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;<span class="keyword">template</span>&lt; <span class="keyword">class</span> SplineStore, <span class="keyword">class</span> Param &gt;</div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;<span class="keyword">static</span> SplineStore qwtSplinePathPleasing( <span class="keyword">const</span> QPolygonF&amp; points,</div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;    <span class="keywordtype">bool</span> isClosed, Param param )</div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;{</div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;    <span class="keyword">using namespace </span>QwtSplinePleasingP;</div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160; </div>
<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">int</span> size = points.size();</div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160; </div>
<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;    <span class="keyword">const</span> QPointF* p = points.constData();</div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160; </div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;    SplineStore store;</div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;    store.init( isClosed ? size : size - 1 );</div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;    store.start( p[0] );</div>
<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160; </div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;    <span class="keywordtype">double</span> d13;</div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;    QPointF vec1;</div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160; </div>
<div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;    <span class="keywordflow">if</span> ( isClosed )</div>
<div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;    {</div>
<div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;        d13 = qwtChordalLength(p[0], p[2]);</div>
<div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160; </div>
<div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;        <span class="keyword">const</span> Tension t0 = qwtTensionPleasing(</div>
<div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;            qwtChordalLength( p[size - 1], p[1]), qwtChordalLength(p[0], p[1]),</div>
<div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;            d13, p[size - 1], p[0], p[1], p[2] );</div>
<div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160; </div>
<div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;        <span class="keyword">const</span> QPointF vec0 = qwtVectorCardinal&lt; Param &gt;( param, p[size - 1], p[0], p[1] );</div>
<div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;        vec1 = qwtVectorCardinal&lt; Param &gt;( param, p[0], p[1], p[2] );</div>
<div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160; </div>
<div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;        store.addCubic( p[0] + vec0 * t0.t1, p[1] - vec1 * t0.t2, p[1] );</div>
<div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;    }</div>
<div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;    <span class="keywordflow">else</span></div>
<div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;    {</div>
<div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;        d13 = qwtChordalLength(p[0], p[2]);</div>
<div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160; </div>
<div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;        <span class="keyword">const</span> Tension t0 = qwtTensionPleasing(</div>
<div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;            qwtChordalLength( p[0], p[1]), qwtChordalLength(p[0], p[1]),</div>
<div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;            d13,  p[0], p[0], p[1], p[2] );</div>
<div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160; </div>
<div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;        <span class="keyword">const</span> QPointF vec0 = 0.5 * qwtVector&lt; Param &gt;( param, p[0], p[1] );</div>
<div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;        vec1 = qwtVectorCardinal&lt; Param &gt;( param, p[0], p[1], p[2] );</div>
<div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160; </div>
<div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;        store.addCubic( p[0] + vec0 * t0.t1, p[1] - vec1 * t0.t2, p[1] );</div>
<div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;    }</div>
<div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160; </div>
<div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;    <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 1; i &lt; size - 2; i++ )</div>
<div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;    {</div>
<div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;        <span class="keyword">const</span> <span class="keywordtype">double</span> d23 = qwtChordalLength( p[i], p[i + 1] );</div>
<div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;        <span class="keyword">const</span> <span class="keywordtype">double</span> d24 = qwtChordalLength( p[i], p[i + 2] );</div>
<div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160; </div>
<div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;        <span class="keyword">const</span> QPointF vec2 = qwtVectorCardinal&lt; Param &gt;( param, p[i], p[i + 1], p[i + 2] );</div>
<div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160; </div>
<div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;        <span class="keyword">const</span> Tension t = qwtTensionPleasing(</div>
<div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;            d13, d23, d24, p[i - 1], p[i], p[i + 1], p[i + 2] );</div>
<div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160; </div>
<div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;        store.addCubic( p[i] + vec1 * t.t1, p[i + 1] - vec2 * t.t2, p[i + 1] );</div>
<div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160; </div>
<div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;        d13 = d24;</div>
<div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;        vec1 = vec2;</div>
<div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;    }</div>
<div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160; </div>
<div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;    <span class="keywordflow">if</span> ( isClosed )</div>
<div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;    {</div>
<div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;        <span class="keyword">const</span> <span class="keywordtype">double</span> d24 = qwtChordalLength( p[size - 2], p[0] );</div>
<div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160; </div>
<div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;        <span class="keyword">const</span> Tension tn = qwtTensionPleasing(</div>
<div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;            d13, qwtChordalLength( p[size - 2], p[size - 1] ), d24,</div>
<div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;            p[size - 3], p[size - 2], p[size - 1], p[0] );</div>
<div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160; </div>
<div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;        <span class="keyword">const</span> QPointF vec2 = qwtVectorCardinal&lt; Param &gt;( param, p[size - 2], p[size - 1], p[0] );</div>
<div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;        store.addCubic( p[size - 2] + vec1 * tn.t1, p[size - 1] - vec2 * tn.t2, p[size - 1] );</div>
<div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160; </div>
<div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;        <span class="keyword">const</span> <span class="keywordtype">double</span> d34 = qwtChordalLength( p[size - 1], p[0] );</div>
<div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;        <span class="keyword">const</span> <span class="keywordtype">double</span> d35 = qwtChordalLength( p[size - 1], p[1] );</div>
<div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160; </div>
<div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;        <span class="keyword">const</span> Tension tc = qwtTensionPleasing( d24, d34, d35, p[size - 2], p[size - 1], p[0], p[1] );</div>
<div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160; </div>
<div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;        <span class="keyword">const</span> QPointF vec3 = qwtVectorCardinal&lt; Param &gt;( param, p[size - 1], p[0], p[1] );</div>
<div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160; </div>
<div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;        store.addCubic( p[size - 1] + vec2 * tc.t1, p[0] - vec3 * tc.t2, p[0] );</div>
<div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;    }</div>
<div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;    <span class="keywordflow">else</span></div>
<div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;    {</div>
<div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;        <span class="keyword">const</span> <span class="keywordtype">double</span> d24 = qwtChordalLength( p[size - 2], p[size - 1] );</div>
<div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160; </div>
<div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;        <span class="keyword">const</span> Tension tn = qwtTensionPleasing(</div>
<div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;            d13, qwtChordalLength( p[size - 2], p[size - 1] ), d24,</div>
<div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;            p[size - 3], p[size - 2], p[size - 1], p[size - 1] );</div>
<div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160; </div>
<div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;        <span class="keyword">const</span> QPointF vec2 = 0.5 * qwtVector&lt; Param &gt;( param, p[size - 2], p[size - 1] );</div>
<div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;        store.addCubic( p[size - 2] + vec1 * tn.t1, p[size - 1] - vec2 * tn.t2, p[size - 1] );</div>
<div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;    }</div>
<div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160; </div>
<div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;    <span class="keywordflow">return</span> store;</div>
<div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;}</div>
<div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160; </div>
<div class="line"><a name="l00265"></a><span class="lineno"><a class="line" href="class_qwt_spline_pleasing.html#ae5aa5cbf6fec6b166199424f131ef923">  265</a></span>&#160;<a class="code" href="class_qwt_spline_pleasing.html#ae5aa5cbf6fec6b166199424f131ef923">QwtSplinePleasing::QwtSplinePleasing</a>()</div>
<div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;{</div>
<div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;    <a class="code" href="class_qwt_spline.html#afb4959b1db04dd021b0a49752b66fac3">setParametrization</a>( <a class="code" href="class_qwt_spline_parametrization.html#aa63256420483fa4981452127366cb48daa34d8f54e326e8964c6131287dd3e478">QwtSplineParametrization::ParameterUniform</a> );</div>
<div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;}</div>
<div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160; </div>
<div class="line"><a name="l00271"></a><span class="lineno"><a class="line" href="class_qwt_spline_pleasing.html#a73072c272d0e4107581648d037e258a7">  271</a></span>&#160;<a class="code" href="class_qwt_spline_pleasing.html#a73072c272d0e4107581648d037e258a7">QwtSplinePleasing::~QwtSplinePleasing</a>()</div>
<div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;{</div>
<div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160;}</div>
<div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160; </div>
<div class="line"><a name="l00276"></a><span class="lineno"><a class="line" href="class_qwt_spline_pleasing.html#a043b399092e1a9db96b799299cdd251f">  276</a></span>&#160;uint <a class="code" href="class_qwt_spline_pleasing.html#a043b399092e1a9db96b799299cdd251f">QwtSplinePleasing::locality</a>()<span class="keyword"> const</span></div>
<div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;    <span class="keywordflow">return</span> 2;</div>
<div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;}</div>
<div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160; </div>
<div class="line"><a name="l00290"></a><span class="lineno"><a class="line" href="class_qwt_spline_pleasing.html#a7ef72f97809dfc36f39640ce8398eb89">  290</a></span>&#160;QPainterPath <a class="code" href="class_qwt_spline_pleasing.html#a7ef72f97809dfc36f39640ce8398eb89">QwtSplinePleasing::painterPath</a>( <span class="keyword">const</span> QPolygonF&amp; points )<span class="keyword"> const</span></div>
<div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">int</span> size = points.size();</div>
<div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;    <span class="keywordflow">if</span> ( size &lt;= 2 )</div>
<div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;        <span class="keywordflow">return</span> <a class="code" href="class_qwt_spline_interpolating.html#ae9eb4c8b6c5257a44f918c30d36860e4">QwtSplineG1::painterPath</a>( points );</div>
<div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160; </div>
<div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">bool</span> isClosing = ( <a class="code" href="class_qwt_spline.html#a7f5f43e9e83fd23210ac528802c0496d">boundaryType</a>() == <a class="code" href="class_qwt_spline.html#ad82b1f33946d2489511f5e697a32b128a63108a1fe17778b7d9c236efc17774b1">QwtSpline::ClosedPolygon</a> );</div>
<div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160; </div>
<div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;    <span class="keyword">using namespace </span>QwtSplinePleasingP;</div>
<div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160; </div>
<div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;    PathStore store;</div>
<div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160;    <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_spline.html#a6aa6f2c0b844e6a27284aa474c6bca7b">parametrization</a>()-&gt;<a class="code" href="class_qwt_spline_parametrization.html#a31d326035a02c9be9d7c558212903f99">type</a>() == <a class="code" href="class_qwt_spline_parametrization.html#aa63256420483fa4981452127366cb48daa34d8f54e326e8964c6131287dd3e478">QwtSplineParametrization::ParameterUniform</a> )</div>
<div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;    {</div>
<div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160;        store = qwtSplinePathPleasing&lt; PathStore &gt;( points,</div>
<div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;            isClosing, paramUniform() );</div>
<div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;    }</div>
<div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;    <span class="keywordflow">else</span></div>
<div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;    {</div>
<div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160;        store = qwtSplinePathPleasing&lt; PathStore &gt;( points,</div>
<div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;            isClosing, param( <a class="code" href="class_qwt_spline.html#a6aa6f2c0b844e6a27284aa474c6bca7b">parametrization</a>() ) );</div>
<div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160;    }</div>
<div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160; </div>
<div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;    <span class="keywordflow">if</span> ( isClosing )</div>
<div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;        store.path.closeSubpath();</div>
<div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160; </div>
<div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;    <span class="keywordflow">return</span> store.path;</div>
<div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;}</div>
<div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160; </div>
<div class="line"><a name="l00327"></a><span class="lineno"><a class="line" href="class_qwt_spline_pleasing.html#a3779e0194ec865908f23925bdb99d615">  327</a></span>&#160;<a class="code" href="class_q_vector.html">QVector&lt; QLineF &gt;</a> <a class="code" href="class_qwt_spline_pleasing.html#a3779e0194ec865908f23925bdb99d615">QwtSplinePleasing::bezierControlLines</a>(</div>
<div class="line"><a name="l00328"></a><span class="lineno">  328</span>&#160;    <span class="keyword">const</span> QPolygonF&amp; points )<span class="keyword"> const</span></div>
<div class="line"><a name="l00329"></a><span class="lineno">  329</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00330"></a><span class="lineno">  330</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">int</span> size = points.size();</div>
<div class="line"><a name="l00331"></a><span class="lineno">  331</span>&#160;    <span class="keywordflow">if</span> ( size &lt;= 2 )</div>
<div class="line"><a name="l00332"></a><span class="lineno">  332</span>&#160;        <span class="keywordflow">return</span> <a class="code" href="class_q_vector.html">QVector&lt; QLineF &gt;</a>();</div>
<div class="line"><a name="l00333"></a><span class="lineno">  333</span>&#160; </div>
<div class="line"><a name="l00334"></a><span class="lineno">  334</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">bool</span> isClosing = ( <a class="code" href="class_qwt_spline.html#a7f5f43e9e83fd23210ac528802c0496d">boundaryType</a>() == <a class="code" href="class_qwt_spline.html#ad82b1f33946d2489511f5e697a32b128a63108a1fe17778b7d9c236efc17774b1">QwtSpline::ClosedPolygon</a> );</div>
<div class="line"><a name="l00335"></a><span class="lineno">  335</span>&#160; </div>
<div class="line"><a name="l00336"></a><span class="lineno">  336</span>&#160;    <span class="keyword">using namespace </span>QwtSplinePleasingP;</div>
<div class="line"><a name="l00337"></a><span class="lineno">  337</span>&#160; </div>
<div class="line"><a name="l00338"></a><span class="lineno">  338</span>&#160;    ControlPointsStore store;</div>
<div class="line"><a name="l00339"></a><span class="lineno">  339</span>&#160;    <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_spline.html#a6aa6f2c0b844e6a27284aa474c6bca7b">parametrization</a>()-&gt;<a class="code" href="class_qwt_spline_parametrization.html#a31d326035a02c9be9d7c558212903f99">type</a>() == <a class="code" href="class_qwt_spline_parametrization.html#aa63256420483fa4981452127366cb48daa34d8f54e326e8964c6131287dd3e478">QwtSplineParametrization::ParameterUniform</a> )</div>
<div class="line"><a name="l00340"></a><span class="lineno">  340</span>&#160;    {</div>
<div class="line"><a name="l00341"></a><span class="lineno">  341</span>&#160;        store = qwtSplinePathPleasing&lt; ControlPointsStore &gt;( points,</div>
<div class="line"><a name="l00342"></a><span class="lineno">  342</span>&#160;            isClosing, paramUniform() );</div>
<div class="line"><a name="l00343"></a><span class="lineno">  343</span>&#160;    }</div>
<div class="line"><a name="l00344"></a><span class="lineno">  344</span>&#160;    <span class="keywordflow">else</span></div>
<div class="line"><a name="l00345"></a><span class="lineno">  345</span>&#160;    {</div>
<div class="line"><a name="l00346"></a><span class="lineno">  346</span>&#160;        store = qwtSplinePathPleasing&lt; ControlPointsStore &gt;( points,</div>
<div class="line"><a name="l00347"></a><span class="lineno">  347</span>&#160;            isClosing, param( <a class="code" href="class_qwt_spline.html#a6aa6f2c0b844e6a27284aa474c6bca7b">parametrization</a>() ) );</div>
<div class="line"><a name="l00348"></a><span class="lineno">  348</span>&#160;    }</div>
<div class="line"><a name="l00349"></a><span class="lineno">  349</span>&#160; </div>
<div class="line"><a name="l00350"></a><span class="lineno">  350</span>&#160;    <span class="keywordflow">return</span> store.controlPoints;</div>
<div class="line"><a name="l00351"></a><span class="lineno">  351</span>&#160;}</div>
<div class="ttc" id="aclass_q_vector_html"><div class="ttname"><a href="class_q_vector.html">QVector&lt; QLineF &gt;</a></div></div>
<div class="ttc" id="aclass_qwt_spline_html_a6aa6f2c0b844e6a27284aa474c6bca7b"><div class="ttname"><a href="class_qwt_spline.html#a6aa6f2c0b844e6a27284aa474c6bca7b">QwtSpline::parametrization</a></div><div class="ttdeci">const QwtSplineParametrization * parametrization() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l00605">qwt_spline.cpp:605</a></div></div>
<div class="ttc" id="aclass_qwt_spline_html_a7f5f43e9e83fd23210ac528802c0496d"><div class="ttname"><a href="class_qwt_spline.html#a7f5f43e9e83fd23210ac528802c0496d">QwtSpline::boundaryType</a></div><div class="ttdeci">BoundaryType boundaryType() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l00626">qwt_spline.cpp:626</a></div></div>
<div class="ttc" id="aclass_qwt_spline_html_ad82b1f33946d2489511f5e697a32b128a63108a1fe17778b7d9c236efc17774b1"><div class="ttname"><a href="class_qwt_spline.html#ad82b1f33946d2489511f5e697a32b128a63108a1fe17778b7d9c236efc17774b1">QwtSpline::ClosedPolygon</a></div><div class="ttdeci">@ ClosedPolygon</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8h_source.html#l00093">qwt_spline.h:92</a></div></div>
<div class="ttc" id="aclass_qwt_spline_html_afb4959b1db04dd021b0a49752b66fac3"><div class="ttname"><a href="class_qwt_spline.html#afb4959b1db04dd021b0a49752b66fac3">QwtSpline::setParametrization</a></div><div class="ttdeci">void setParametrization(int type)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l00576">qwt_spline.cpp:576</a></div></div>
<div class="ttc" id="aclass_qwt_spline_interpolating_html_ae9eb4c8b6c5257a44f918c30d36860e4"><div class="ttname"><a href="class_qwt_spline_interpolating.html#ae9eb4c8b6c5257a44f918c30d36860e4">QwtSplineInterpolating::painterPath</a></div><div class="ttdeci">virtual QPainterPath painterPath(const QPolygonF &amp;) const override</div><div class="ttdoc">Interpolate a curve with Bezier curves.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline_8cpp_source.html#l00748">qwt_spline.cpp:748</a></div></div>
<div class="ttc" id="aclass_qwt_spline_parametrization_html"><div class="ttname"><a href="class_qwt_spline_parametrization.html">QwtSplineParametrization</a></div><div class="ttdoc">Curve parametrization used for a spline interpolation.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline__parametrization_8h_source.html#l00044">qwt_spline_parametrization.h:45</a></div></div>
<div class="ttc" id="aclass_qwt_spline_parametrization_html_a31d326035a02c9be9d7c558212903f99"><div class="ttname"><a href="class_qwt_spline_parametrization.html#a31d326035a02c9be9d7c558212903f99">QwtSplineParametrization::type</a></div><div class="ttdeci">int type() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline__parametrization_8cpp_source.html#l00072">qwt_spline_parametrization.cpp:72</a></div></div>
<div class="ttc" id="aclass_qwt_spline_parametrization_html_a4ec70cdb3d4c1b53628ef516e93390ec"><div class="ttname"><a href="class_qwt_spline_parametrization.html#a4ec70cdb3d4c1b53628ef516e93390ec">QwtSplineParametrization::valueIncrementUniform</a></div><div class="ttdeci">static double valueIncrementUniform(const QPointF &amp;, const QPointF &amp;)</div><div class="ttdoc">Calculate the ParameterUniform value increment.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline__parametrization_8h_source.html#l00162">qwt_spline_parametrization.h:162</a></div></div>
<div class="ttc" id="aclass_qwt_spline_parametrization_html_aa63256420483fa4981452127366cb48daa34d8f54e326e8964c6131287dd3e478"><div class="ttname"><a href="class_qwt_spline_parametrization.html#aa63256420483fa4981452127366cb48daa34d8f54e326e8964c6131287dd3e478">QwtSplineParametrization::ParameterUniform</a></div><div class="ttdeci">@ ParameterUniform</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline__parametrization_8h_source.html#l00072">qwt_spline_parametrization.h:72</a></div></div>
<div class="ttc" id="aclass_qwt_spline_pleasing_html_a043b399092e1a9db96b799299cdd251f"><div class="ttname"><a href="class_qwt_spline_pleasing.html#a043b399092e1a9db96b799299cdd251f">QwtSplinePleasing::locality</a></div><div class="ttdeci">virtual uint locality() const override</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline__pleasing_8cpp_source.html#l00276">qwt_spline_pleasing.cpp:276</a></div></div>
<div class="ttc" id="aclass_qwt_spline_pleasing_html_a3779e0194ec865908f23925bdb99d615"><div class="ttname"><a href="class_qwt_spline_pleasing.html#a3779e0194ec865908f23925bdb99d615">QwtSplinePleasing::bezierControlLines</a></div><div class="ttdeci">virtual QVector&lt; QLineF &gt; bezierControlLines(const QPolygonF &amp;) const override</div><div class="ttdoc">Interpolate a curve with Bezier curves.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline__pleasing_8cpp_source.html#l00327">qwt_spline_pleasing.cpp:327</a></div></div>
<div class="ttc" id="aclass_qwt_spline_pleasing_html_a73072c272d0e4107581648d037e258a7"><div class="ttname"><a href="class_qwt_spline_pleasing.html#a73072c272d0e4107581648d037e258a7">QwtSplinePleasing::~QwtSplinePleasing</a></div><div class="ttdeci">virtual ~QwtSplinePleasing()</div><div class="ttdoc">Destructor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline__pleasing_8cpp_source.html#l00271">qwt_spline_pleasing.cpp:271</a></div></div>
<div class="ttc" id="aclass_qwt_spline_pleasing_html_a7ef72f97809dfc36f39640ce8398eb89"><div class="ttname"><a href="class_qwt_spline_pleasing.html#a7ef72f97809dfc36f39640ce8398eb89">QwtSplinePleasing::painterPath</a></div><div class="ttdeci">virtual QPainterPath painterPath(const QPolygonF &amp;) const override</div><div class="ttdoc">Interpolate a curve with Bezier curves.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline__pleasing_8cpp_source.html#l00290">qwt_spline_pleasing.cpp:290</a></div></div>
<div class="ttc" id="aclass_qwt_spline_pleasing_html_ae5aa5cbf6fec6b166199424f131ef923"><div class="ttname"><a href="class_qwt_spline_pleasing.html#ae5aa5cbf6fec6b166199424f131ef923">QwtSplinePleasing::QwtSplinePleasing</a></div><div class="ttdeci">QwtSplinePleasing()</div><div class="ttdoc">Constructor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__spline__pleasing_8cpp_source.html#l00265">qwt_spline_pleasing.cpp:265</a></div></div>
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